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Aquatic Capital Management’s MarketAxess Holdings MKTX Stock Holding History

Aquatic Capital Management’s Portfolio MKTX Stock Details MKTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$430K Buy
3,790
+2,282
+151% +$325K 0.01% 840
2026
Q1 		$249K Sell
1,508
-19,755
-93% -$3.46M 0.01% 932
2025
Q4 		$3.85M Sell
21,263
-20,769
-49% -$3.54M 0.11% 231
2025
Q3 		$7.32M Buy
42,032
+9,585
+30% +$1.88M 0.14% 186
2025
Q2 		$7.25M Buy
32,447
+6,483
+25% +$1.42M 0.15% 185
2025
Q1 		$5.62M Buy
25,964
+1,139
+5% +$239K 0.14% 192
2024
Q4 		$5.61M Buy
24,825
+14,345
+137% +$3.78M 0.15% 172
2024
Q3 		$2.68M Sell
10,480
-10,020
-49% -$2.35M 0.07% 303
2024
Q2 		$4.11M Buy
+20,500
New +$4.23M 0.15% 140
2023
Q4 		– Sell
-300
Closed -$64K – 1517
2023
Q3 		$64K Sell
300
-5,600
-95% -$1.36M ﹤0.01% 919
2023
Q2 		$1.54M Buy
+5,900
New +$1.76M 0.08% 252
2022
Q4 		– Sell
-18,400
Closed -$4.09M – 1645
2022
Q3 		$4.09M Buy
18,400
+15,100
+458% +$3.88M 0.4% 57
2022
Q2 		$845K Buy
3,300
+2,900
+725% +$793K 0.28% 104
2022
Q1 		$136K Buy
+400
New +$145K 0.2% 109

Other funds holding MKTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
NRCM
North Reef Capital Management Laguna Beach, California $2.61B AUM 11.5% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Aquatic Capital Management's MKTX Position: Q2 2026 in Review

Aquatic Capital Management increased its MarketAxess Holdings (MKTX) stake by 151% in Q2 2026, buying an estimated $325K and bringing the position to 3,790 shares worth $430K. The position accounts for 0.01% of the portfolio, ranked #840.

Aquatic Capital Management first reported a position in MKTX in Q1 2022 and has held it in 14 quarters since. The position peaked at $7.32M in Q3 2025. 394 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

  • Aquatic Capital Management held 3,790 shares of MarketAxess Holdings worth $430K as of Q2 2026.
  • Aquatic Capital Management bought 2,282 MarketAxess Holdings shares in Q2 2026, an estimated $325K.
  • MarketAxess Holdings made up 0.01% of Aquatic Capital Management's portfolio in Q2 2026, its #840 holding.
  • Aquatic Capital Management first reported a position in MarketAxess Holdings in Q1 2022 and has held it in 14 quarters since.
  • Aquatic Capital Management's MarketAxess Holdings position peaked at $7.32M in Q3 2025.
  • 394 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Aquatic Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.